Get ready to see red. Red velvet cake, that is.Brooklyn eating, Borough President Markowitz. Though the real winner will be you, dear reader, as once the judgingRed Velvet Cake contest at the Brooklyn Historical Society [128 Pierrepont St. at Clinton Street in Brooklyn Heights, (718) 222-4111], Feb. 11 at noon. Free. For info, visit www.nycreates.org. Interested participants can e-mail firstname.lastname@example.org.